Apparatus for treating woolen yarns.



No. 892,911. PATENTED JULY 7, 1908.

G. STONE. APPARATUS FOR TREATING WOOLBN YARNS.

APPLICATION FILED JULY 14. 1906.

2 SHEETS-SHEET l.

II I H HIIIHI No. 892,911. PATENTED JULY 7, 1908.

- G. STONE.

APPARATUS FOR TREATING WOOLBN YARNS.

APPLIOA ATION FILED JULY 14, 1906.

2 SHEETS-SHEET 2 UNITED STATES PATENT OFFIOE.

GEORGE STONE, OF NORTH ANDOVER, MASSACHUSETTS, ASSIGNOR TO M. T.STEVENS, NATHANIEL STEVENS, S. D. STEVENS, AND M. T. STEVENS, JR, OFNORTH ANDOVER,

MASSACHUSETTS, A FIRM.

APPARATUS FOR TREATING WOOLEN YARNS.

To all whom it may concern: Be it known that I, GEORGE STONE, of NorthAndover, in thecounty of Essex and State of Massachusetts, have inventedcertain.new and useful Improvements in Appa-.

drawn from the spools frequently breaks and necessitates stopping of themachine to tie together the separated ends, and while the apparatus isthus stopped and the yarn stationary, it is necessary to remove it fromthe dressing composition or size. To avoid this necessity is the objectof my invention, in carrying out which I provide an apparatus in whichvthe yarn is fed at a certain predetermined level, .and arrange means forraising a quantity of the dressing so that it will act on the yarn whenthe latter is moved; and will subside below the yarn when the latterstops, and thereby leave the yarn above and out of the dressing.

Of the accompanying drawings,-Figure 1 represents aside elevation of amachine embodying the principles of the invention. Fig. 2 represents across section of the same,

. showing oneend. Fig. 3'represents a longitudinal section. Fig. 4represents a similar section on an enlarged scale, of the auxiliary vatcontaining the dressing composition through which the yarn is drawn.Fig.

-5 represents a longitudinal section of one end of the drying box intowhich the yarn is led after being treated.

, The same reference characters indicate the same arts in all thefigures.

He erring to the drawings, 1 represents one of aseiies of strands ofyarn which are led from a spool stand through a reed (not shown) torolls 2 and 3 which squeeze the yarn between them and feed it. The lowerroll 2 dips into the vat 4 containing a dressing composition or size sothat it may lift a quantity ofthe size and deposit it on theSpecification of Letters Patent.

Application filed July 14,

Patented July 7, 1908.

1906. Serial No. 326,289.

1 yarn. As woolen yarn is composed of fibers which are so close togetherthat the size canshort time the yarn is gripped by the rolls, it isnecessary to provide additional means for depositing the dressing on theyarn and more evenly sizing the latter. This means consists of anauxiliary vat 5 located above the main vat 4 slightly below the plane inwhich the strands of yarn are carried. One of the sides of the auxiliaryvat is of less height than the other sides, and has an edge 6 locatedslightly lower than the nip of the rolls and above a portion of thelower roll 2. When the vat 5 is full and more of the dressing issuppliedto it, the excess overflows the edge 6 and drops upon the surface of theroll 2, and this edge accordingly determines the level of thecomposition in the vat when the supply thereto is interrupted. The yarn,to be treated is led over the auxiliary vat, as shown in Fig. 4, at aslight distance above the edge 6 and the level of the dressingdetermined thereby.

is supplied through a pipe 8 leading from the bottom of the main vat 4,and from which itnormal, minimum level established by the edge 6. Thedischarge ca acity of the pum is sufficient to raise t e level in theauxi iary vat a considerable distance above the minimum, and anadjustable guide roll by the sizing when the level thereof is thusraised. This guide roll is adjustable, being mounted upon arms 15pivoted to the opposite ends of the vat 5 wluch can be raised andlowered and locked in position by clamping nuts 16 assing through slotsnear the free ends of t e arms. The guide roll is adjusted so that theyarn will be submerged to'the re- To su )ply the dressing totheauxiliary vat, I provi e a pump 7 to which the composition compositiontherein is raised above the not work thoroughly into them during the isforced through pipes 9 and 10 to a delivery 14 locates the yarn so thatit will be reached quired extent in the sizing when the level of thelatter is thus raised.

The roll 2 and pump are both 0 erated simultaneously from the same drives aft 17,

the latter having a inion 18 meshing with a gear 19 on the sha t 20 ofthe roll, and also having a gear 21 in mesh with a pinion 22 on a shaft23 of the pump, which is preferably a rotary centrifugal one. Thus whenit is edge 6, and its level uickly subsides to that shown in Fig. 4, beow the yarn, leaving the yarn clear. The dressing is prevented fromflowing back through the supply pipe by means of a check valve 24mounted in the coupling 25 which unites the pipes 10 and 11. Thus thedressing cannot be lowered below the level of the edge 6, and so it canbe quickly raised again to the yarn as soon as the machine is'once morestarted. The

pump by producing a variation in the level of the sizing composition,not only performs .a function similar to lowering and raising the yarninto and ent r the vat in a more rapid and efficient manner, but it alsoagitates the composition and keeps it in a uniform conditionthroughout,thereby overcoming the tendency which the material has ofseparating into its thin and viscous constituents. This insures auniform treatment of all parts of the am.

T e upper roll 3' has trunnions 26 which are retained in sockets in theframe of the machine, and rests upon the lower roll by which it isturned. ing by which the yarn is pressed against the hard lower roll to.squeeze out the excess of the sizing composition, and to furnish the grinecessary to feed the arn. rom the squeezing roll the am passes into adrying chamber 27 to w 'ch heated drawnofi from the auxiliary vat throuh ale back an forth several times over rolls 28 at eachend of thechamber (the rolls at hole in the bottom, which is'normallyj ept closedby a lug 29, and is forced out from the pump an piping bysteam blownthrough a pipe 30 wine leads from a boiler. .By means of the steamblow-out, the sizing com- .position, which becomes stifi when cold, isexpel ed and prevented from clogging the- It has a yielding cover-- airis supplied, and in which the yarn is I claim 1. An apparatus for sizingyarn, comprising means for feedin yarn, a receptacle over which the yarnis fe containing liquid dressand means connected with said feedingmeans, so as to be operable simultaneously therewith, for raising thelevel of the dressing up to the yarn only when the feeding means andyarn are moving.

2. An apparatus for sizing yarn, comprising mechanism for advancing yarnprogressively, and means and provisions associated therewith for raisinga quantity of liquid dressing sufliciently high to immerse the yarnwhile said feeding mechanism and yarn subside below the yarn w en thesame are stationary, the yarn being maintained meanwhile at a constantlevel.

3. In an apparatus of the character described, a vat containing liquiddressing and having an overflow, a device for drawing yarn over the vatslightly above the overflow level, and automatic means for raising theliquid up to the level of the yarn to act on the yarn when said deviceisactive and the yarn is in motion and for permitting the the same isstationary.

4. In an apparatus of the character deing yarn over the vat above thenormal quiescent level of liquid therein, and means operablesimultaneously with said devices for vat faster than it can drain awawhereby the-level of the dressing is raise to that of the yarn when saiddevice is active.

scribed, a vat containing a fluid dressing composition, rolls turningoppositely in cons uee and feedin arm, a secondvat above iil l e firstvat ovir which yarn passing to the squeeze rolls is carried, and meansfor supplying an excess of dressing'to the second vat only while thesqueeze rolls areactive, whereby the level of dressing therein is raisedat such times sufiiciently'to moisten the yarn passi thereover and ispermitted to subside whent e yarn is stationary.

- 6. In an apparatus of the characterdescribed, a vat containing a fluiddressing composition rolls turning oppositel-yin contact, one of whichdips into-the vat, for squeezing and feeding yarn, a second vat abovethe first vat insuch position that excess or dressing therein mayoverflow into the first vat over which yarn passing to the squeeze rollsis carried, and, meansfor sup- 'p ying an excess of'dressing tothe'second vat only'while the squeeze rollsare active,

- I Whereby the level of dressing thereinl is raised ing at a normallevel lower than the yarn,-

are in motion, and causin' said dressing toliquid to subside away fromthe yarn when supplying a fluid dressing composition to the- 5. In an"apparatus of the character de-w tact, one of which dips into the vat,for

scribed, a vat, devices for guiding and draw- ,tact, one of which dipspassing thereover and is permitted to subside when the yarn isstationary.

7. In an apparatus of the character de scribed,- a vat containing afluid dressing composition,,rolls turning oppositely in coninto the vat,for squeezing and feeding yarn, a second vat above the first vat in suchposition that excess of dressing therein may overflow into the first vatover which yarn passing to the squeeze rolls is carried, and means forpumping dressing from the first to the second vat while'said rolls areactive at such a rate as to .raise the level in the second vat above theoverflow up to the yarn, the pumping means being inoperative when therolls and yarn are stationary.

8. A yarn-treating machine comprising a vat containing a dressingcomposition, a roll dipping into the composition, a second vat above thefirst vat having one side lower than the others arranged to dischargethe overflow therefrom upon, said roll, a pump for lifting dressin fromthe first. to means or driving said roll and pump simultaneously, and asecond roll cooperating with the first roll to feed yarn overthe secondvat at a sh htly higher level than the overflow edge t ereof and tosqueeze excess of dressing from the yarn, the pump having a dischargecapacity sufficient to raise the level of the dressing in the second vatup to that of the yarn when the latter is being fed. 9. A yarn-treatingapparatus comprising a vat, means for supplying an excess of'fluid Vlevel such dressing composition level above an overflow outlet of thevat, means for giving a continuous feed movement to yarn to draw it overthe vat; and connections between the feeding and fluidsupplying means tocause the su ply of excess dressing to cease when the eed movement ofthe yarn is stopped; the yarn being guided at a height above theoverflow v thatit is immersed in the dressing when the level thereof israised.

10. A yarn-treating apparatus comprisim a vat, means for supplyrn anexcess of flui dressing composition to t e vat to raise its level a ovean overflow outlet of the vat, means for giving a continuous feedmovement to yarn to draw it over the vat; the

parts arranged and connected so that the supply of excess dressing willcease when the fee movement of the yarn is sto ped, and a uide roll inadvance of said fee means adustable to var the height of the yarn abovethe vat -over ow and secure the proper amountof submergence of the yarnin the dressing-when the latter is raised.

a vat, a pump for supplylng 1 1. A y arn-treating apparatus comprising afluid dressing composition to the vat, feed rolls for gri ping anddrawing yarn across the vat, and a diiver the second vat,

to the vat to raise its -main to the auxiliary connected to said feedrolls and pump for operating them'simultaneously, the vat having anormal minimum level below the ya n, the level being raised by the umpabove the yarn only while the feed rol s and yarn are in motion.

12. An apparatus of the character described comprising a vat containingafluid dressing, an auxiliary vat above the main vat, a pump for liftingthe dressing from the main to the auxiliary vat and causing it tooverflow from the latter, whereby the dressing is kept agitated and of auniform consistency, means for feeding yarn over the auxiliary vat incontactwith the overflowing dressin and means for stopping the pump whent e yarn is stationary, whereby the dressing may subside below the yarn.

13.-An apparatus of the character described comprising a vat-containinga fluid dressing, an auxiliary v -t above the main vat, a pump forlifting the dressing from the main'to the auxiliary vat and causingit tooverflow from the latter, whereby the dressing is kept agitated and of auniform consistency, and cooperating rolls for gripping, feeding andsqueezing the yarn to remove the excess dressing, one of said rollsdipping into the main vat and located to receive the overflow from theauxiliary vat, said rolls being also located to draw the yarn throughthe dressin overflowing from the auxiliary vat.

14. n apparatus of the character described comprising a vat containing afluid dressing, an auxiliary vat above the main vat, a pump forlifting-the dressing from the vat and-causing it to overflow from thelatter, whereby the dressing is kept agitated and of a uniformconsistency, means for feeding yarn over the auxiliary vat in contactwith the overflowing dressing, means for stopping the pump when the yarnis stationary, whereby the dressing may subside below the yarn, and acheck valveinthe delivery of the pump for preventing return therethroughof the dressing from the auxiliary vat when the pump is at rest.

15. An apparatus of the character described comprising a vat containinga fluid dressing, an auxiliary vat above the main vat, a pump main tothe auxiliary vat and causing it to overflow from the latter, wherebythe dressing is kept agitated and of a uniform consistency, and a pipeconnected to the pump for admitting steam to clear the dressing forlifting the dressing from the from the pump and connected delivery pipe.

of the liftin roll arranged adjacent the yarn so as to app ycompositionthereto before the latter is engaged by the lifting roll.

17. In combination with the receptacle for sizing composition and theapplying roll of a yarn-sizing apparatus, an auxiliary vat 10- Intestimony whereof I have aflixed my cated abogredsairli rfiaceptacle andadapted tfi signature, ill-presence of two Witnesses.

containa 0 0 t eslzin corn osition Wit its surface at the level of yarnied over the GEORGE STONE 5 applying r011, said auxiliary vat being ar-Witnesses: A 4

ranged to discharge the overflow of, the sizing MARGARET G. HURLEY,composition upon the lifting r011. HARRY R. DOW.

